*{
    margin: 0;
    padding: 0;
}
body{
    background-color: #f5f5f5;
    font-size: 14px;
    color: #444;
    padding-top: 80px;
}
a{
    color: #444;
    text-decoration: none;
}
ul{
    list-style-type: none;
}
.header{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 64px;
    border-bottom: 1px solid #ddd;
    background-color: #fff;
    box-shadow: 0 0 10px rgb(100, 100, 100,0.1 );
}
.header .container{
    width: 1260px;
}
.header .logo{
    vertical-align: middle;
}
.header ul li{
    line-height: 64px;
    display: inline-block;
}
.header .menus{
    display: inline-block;
    margin-left: 20px;
}
.header .menus li{
    margin-left: 40px;
    font-size: 16px;
}
.header .right{
    float: right;
}
.header .right .search{
    display: inline-block;
    vertical-align: middle;
    width: 256px;
    height: 34px;
    border: 1px solid #00c758;
    border-radius: 17px;
    overflow: hidden;
}
.header .right .search input{
    margin: 4px 0 0 30px;
    height: 24px;
    width: 150px;
    border: none;
    outline: none;
}
.header .right .search .btn{
    line-height: 36px;
    float: right;
    margin: -1px;
    width: 56px;
    color: white;
    background-color: #00c758;
    text-align: center;
    vertical-align: middle;
    border-radius: 18px;
}
.header .right .link{
    display: inline-block;
    margin-left: 43px;
    font-size: 0;
}
.header .right .link li{
    line-height: 64px;
    padding-top: 4px;
}
.header .right .link li a{
    display: inline-block;
    line-height: 14px;
    padding: 0 5px;
    font-size: 14px;
}
.header .right .link li a:hover{
    color:#00c758 ;
}
.header .right .link li:first-child a{
    border-right: 1px solid #000;

}
.tool-bar{
    width: 40px;
    height: 120px;
    position: fixed;
    right: 15px;
    bottom: 40px;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    overflow: hidden;
}
.tool-bar ul li{
    overflow: hidden;
    cursor: pointer;
    text-align: center;
    font-size: 22px;
    line-height: 40px;
    border-bottom: 1px solid rgb(190, 189, 189);
}
.tool-bar ul li span{
    display: none;
}
.tool-bar li:hover{
    color:#fff;
    background-color:#00c758 ;
}
.tool-bar ul li:hover span{
    font-size: 13px;
    letter-spacing: 1px;
    line-height: 13px;
    display: inline-block;
    margin-top: 4px;
}
.tool-bar ul li:hover i{
    display: none;
}
.tool-bar ul li:last-child{
    border: none;
}
.main-body{
    width: 100%;
    height: 100%;
}
.container{
    width: 1200px;
    margin: 0 auto;
    box-sizing: border-box;
}
.page-header{
    width: 100%;
    height: 360px;
    position: relative;
}
.page-header .category{
    width: 200px;
    height: 360px;
    padding: 10px 20px;
    box-sizing: border-box;
    position: absolute;
    left: 0;
    top: 0;
    background-color: #272c33;
    color: #b8b8b8;
    border-radius: 4px;
}
.page-header .category ul li{
    line-height: 42px;
    font-size: 15px;
}
.page-header .category ul li i{
     display: inline-block;
     vertical-align: middle;
}
.page-header .category ul li span{
    padding-left: 15px;
    display: inline-block;
}

.page-header .images{
    width: 776px;
    height: 360px;
    position: absolute;
    left: 212px;
    top: 0;
    overflow: hidden;
    border-radius: 4px;
}
.page-header .images img{
    width: 100%;
}

.page-header .user-info{
    width: 200px;
    height: 360px;
    position: absolute;
    padding: 20px;
    left: 1000px;
    box-sizing: border-box;
    top: 0;
    border-radius: 4px;
    background: border-box;
    background-color: rgb(253, 252, 251);
}
.page-header .user-info p:first-child{
    line-height: 22px;
    font-size: 16px;
    padding: 0 8px;
    text-align: center;
    margin-bottom: 50px;
}
.page-header .user-info img{
    display: block;
    margin: 40px auto;
}
.page-header .user-info button{
    width: 168px;
    height: 36px;
    background-color: #00c758;
    color: #fff;
    font-size: 16px;
    border-radius: 18px;
    border: none;
    outline: none;
}
.page-header .user-info p:last-child{
    position: absolute;
    left: 0;
    bottom: 20px;
    width: 100%;
    text-align: center;
    font-size: 13px;
}
.schools{
    background-color: #fff;
    width: 100%;
    height: 60px;
    margin:12px 0 ;
}
.schools label{
    display: inline-block;
    width: 170px;
    line-height: 60px;
    text-align: right;
    font-size: 16px;
}
.schools ul{
    float: right;
}
.schools ul li{
    display: inline-block;
    width: 200px;
    line-height: 60px;
    text-align: center;
}
.schools ul li img{
    width: 110px;
    height: 31px;
    margin-top: 14px;
}
.t-courses{
    margin: 15px 0;
    width: 100%;
}
.t-courses .title{
    font-size: 30px;
    line-height: 31px;
    font-weight: normal;
}
.t-courses .live{
    cursor: pointer;
    width: 100%;
    margin-top: 10px;
}
.t-courses >.live > .course{
    display: inline-block;
    padding-right: 10px;
    width: 225px;
    height: 270px;
}
.t-courses >.live > .course>.image{
    height: 136px;
    background-image: url(../img/book.jpg);
    position: relative;
}
.t-courses >.live > .course>.image .background{
   position: absolute;
   top: 0;
   left: 0;
   width: 100%;
   height: 100%;
   background-color: rgba(0, 0, 0, 0.5);
}
.t-courses >.live > .course>.image .container{
    display: inline-block;
    position: absolute;
    top: 51px;
    left: 10px;
    width: 216px;
    height: 66px;
    line-height: 33px;
}
.t-courses >.live > .course>.image .container p{
    color: #fff;
    font-size: 24px;
    text-align: center;
    vertical-align: middle;
}
.t-courses >.live > .course>.image .head{
    width: 140px;
    height: 25px;
    position: absolute;
    top: 0;
    left: 0;
    background-color: #55A8FF;
}
.t-courses >.live > .course>.image .head p{
    color: #fff;
    font-size: 12px;
    padding: 5px 0;
    text-align: center;
    vertical-align: middle;
}
.t-courses >.live > .course>.content{
    padding: 5px;
}
.t-courses >.live > .course>.content:hover{
    box-shadow:0 0 10px rgba(0, 0, 0, 0.5) ;
}
.t-courses >.live > .course>.content p:first-child{
    font-size: 16px;
    color: #000;
    line-height: 24px;
    padding-bottom: 25px;
}
.t-courses >.live > .course>.content p{
    font-size: 14px;
    color: #999999;
}
.promote-courses{
    height: 100px;
    width: 100%;
}
.promote-courses >.image{
    display: inline-block;
    padding: 0 10px 0 0;
}
.promote-courses >.image img{
    width: 385px;
    height: 100px;
}
.promote-courses >.image1{
    display: inline-block;
}
.promote-courses >.image1 img{
    width: 800px;
    height: 100px;
}
 .box{
    margin: 50px 0;
    padding: 0;
    height: 300px;
    width: 100%;
}
.discussion{
    width: 100%;
    height: 300px;
    position: absolute;
    left:0 ;
    top: 1000px;
    background-color: rgb(97, 127, 165);
}
.discussion .box1{
    width: 1200px;
    height: 300px;
    margin: 0 auto;
}
.discussion .box1 .min-title{
    width: 400px;
    display: inline-block;
    vertical-align: middle;
    color: #fff;
}
.discussion .box1 .min-title .image{
    padding: 40px 0 10px 20px;
}
.discussion .box1 .min-title h3{
    padding-bottom: 15px;
    text-align: center;
    font-size: 20px;

}
.discussion .box1 .min-title button{
    margin-left: 115px;
    width: 168px;
    height: 36px;
    background-color: #56B929;
    font-size: 14px;
    border: 1px solid #56B929;
}
.discussion .box1 .min-title button:hover{
    background-color: rgb(173, 207, 95);
}
.discussion .box1 .min-title p{
    text-align: center;
    vertical-align: middle;
    font-size: small;
    padding: 10px;
}
.discussion .box1 .content{
    padding: 10px;
    margin: 40px 6px;
    display: inline-block;
    width: 360px;
    height: 180px;
    vertical-align: middle;
    background-color: #fff;
    color: #000;
    cursor: pointer;
}
.discussion .box1 .content:hover{
    box-shadow: 10px 10px 10px  rgb(100, 100, 100,0.7 );
}
.discussion .box1 .content .teacher{
    width: 360px;
    height: 30px;
    padding: 15px;
    box-sizing: border-box;
}
.discussion .box1 .content .teacher img{
    width: 30px;
    height: 30px;
    border-radius: 15px;
    vertical-align: middle;
}
.discussion .box1 .content .teacher .subject{
    float: right;
}
.discussion .box1 .content .container{
    margin-top: 40px;
    padding: 10px;
    width: 360px;
    height: 80px;
    font-size: 19px;
}
.discussion .box1 .foot{
    width: 360px;
    height: 100px;
    padding: 15px;
    margin: 0 auto;
    text-align: center;
    vertical-align: middle;
    font-size: 14px;
}
.discussion .box1 .foot .se{
    color: seagreen;
}
.courses{
    margin: 60px 0;
    width: 100%;
}
.courses >.title{
    font-size: 30px;
    line-height: 31px;
    cursor: pointer;
    font-weight: normal;
}
.courses >.title:hover{
    color: #00c758;
}
.courses >.content{
    width: 100%;
    margin-top: 10px;
}
.courses >.content .main-course{
    display: inline-block;
    width: 200px;
    height: 420px;
    background-color: #fff;
}
.courses >.content .main-course>.info{
    height: 324px;
    background-image: url(../img/images/bg_head.webp);
    background-repeat: no-repeat;
    background-position: center bottom;
    position: relative;
}
.main-body .container:nth-child(8) .courses {
    background-image: url(../img/images/bg_head1.webp);
}
.courses >.content .main-course>.info >.course-info{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    padding: 30px 10px;
    color: #fff;
    background-color: rgba(97, 197, 201,0.7);
}
.courses >.content .main-course>.info >.course-info .line{
    width: 51px;
    height: 3px;
    margin-bottom: 5px;
    background-color: #fff;
}
.courses >.content .main-course>.info >.course-info  .main-title{
    font-size: 18px;
    margin: 15px 0;
}
.courses >.content .main-course>.items{
  width: 100%;
  padding: 10px;
  box-sizing: border-box;
}
.courses >.content .main-course>.items p{
    margin: 5px 0;
}
.courses >.content .main-course>.items p span:last-child{
  float: right;
  font-size: 13px;
  color: #777;
}
.courses >.content .course-list{
    width:986px;
    height: 420px;
    float: right;
}
.courses >.content .course-list .course{
    width: 234px;
    height: 200px;
    cursor: pointer;
    float: left;
    margin: 0 0 20px 12px ;
    background-color: #fff;
}
.courses >.content .course-list .course .image{
    width: 100%;
    height: 136px;
    overflow: hidden;
}
.courses >.content .course-list .course .image img{
    width: 100%;
    display: block;
    transition: transform 0.5s;
}
.courses >.content .course-list .course:hover .image img{
    transform: scale(1.5);
}
.courses >.content .course-list .course:hover{
    box-shadow:0 0 10px rgba(0, 0, 0, 0.5) ;
}
.courses >.content .course-list .course>.content{
    padding: 10px ;
}
.courses >.content .course-list .course>.content p:last-child{
    font-size: 12px;
    color: #888;
    margin-top:10px ;
}
.courses >.content .course-list .course>.content p:last-child span:last-child{
    float: right;
}
.footer{
    margin-top: 20px;
    width: 100%;
}
.footer .student{
    background-image: url(../img/foot-bg.jpg);
    background-position: center;
}
.footer .student h1{
    padding: 40px 0;
    text-align: center;
    line-height: 40px;
    color: #fff;
}
.footer .student .container{
    width: 1200px;
    height: 320px;
    overflow: hidden;
}
.footer .student .container .people{
    width: 390px;
    height: 320px;
    display: inline-block;
    text-align: center;
    vertical-align: middle;
    color: #fff;
}
.footer .student .container .people h1{
    padding: 5px 0;
    font-style:normal ;
}
.footer .student .container .people span{
    padding: 5px;
    font-size: 12px;
}
.footer .student .container .people p{
   padding: 20px 80px;
   font-size: 13px;
   text-align: justify;
   line-height: 20px;
}
.footer .student button{
    margin: 30px 600px;
    width: 168px;
    height: 36px;
    background-color: #00c758;
    color: #fff;
    font-size: 14px;
    border: 1px solid #00c758;
}
.footer .student button:hover{
    background-color: rgb(148, 223, 78);
}
.footer .site-info{
    padding: 30px 0 35px 0;
    background-color: #333;
    height: 255px;
    box-sizing: border-box;
    color: #fff;
    position: relative;
}
.footer .site-info .container{
    height: 145px;
}
.footer .site-info .container .logo{
    width: 590px;
    display: inline-block;
}
.footer .site-info .container .logo p{
    font-size: 12px;
    color: #c7c3c3;
}

.footer .site-info .container .about{
    width: 590px;
    display: inline-block;
}
.footer .site-info .container .about h4{
    padding: 10px 0 20px 0;
}
.footer .site-info .container .about .about1{
    display: inline-block;
    width: 150px;
    height: 136px;
    text-align: center;
     vertical-align: middle;
}
.footer .site-info .container .about .about1 a{
    display: inline-block;
    width: 60px;
    height: 25px;
    color:rgb(192, 185, 185) ;
}
.footer .site-info .container .about .about2{
    display: inline-block;
   width: 150px;
   height: 136px;
   text-align: center;
    vertical-align: middle;
}
.footer .site-info .container .about .about3{
    display: inline-block;
  width: 150px;
  height: 136px;
  text-align: center;
    vertical-align: middle;
}
.footer .site-info .container .about .about3 a{
    display: inline-block;
    width: 120px;
    height: 25px;
    color:#c7c3c3;
}

.footer .site-info .foot{
    margin: 20px 0;
    height: 40px;
}
.footer .site-info .foot p{
    text-align: center;
    vertical-align: middle;
}
.footer .site-info .foot p a{
  font-size: smaller;
  color: #c7c3c3;
}
